Question: Which departments of the United Nations are directed by the UN Secretary-General?
Paraphrase: Which divisions of the Joined together Countries are coordinated by the UN Secretary-General?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q81066 wdt:P2389 ?obj . ?obj wdt:P31 wd:Q15899789 } 
Answer: United Nations Secretariat